package main

import (
	"fmt"
)

func main() {
	ages := make(map[string]int)

	ages["alice"] = 10
	ages["jim"] = 20

	fmt.Println(ages["jim"])
	delete(ages, "alice")
	fmt.Println(ages["alice"])

	// var ages1 map[string]int

	// ages1["carol"] = 21

	fmt.Printf("%p", &ages)
}
